122056613 has 4 divisors (see below), whose sum is σ = 139493280. Its totient is φ = 104619948.

The previous prime is 122056601. The next prime is 122056637. The reversal of 122056613 is 316650221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 316650221 = 271 ⋅1168451.

It is a cyclic number.

It is not a de Polignac number, because 122056613 - 2¹⁸ = 121794469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122056013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8718323 + ... + 8718336.

It is an arithmetic number, because the mean of its divisors is an integer number (34873320).

Almost surely, 2^122056613 is an apocalyptic number.

It is an amenable number.

122056613 is a deficient number, since it is larger than the sum of its proper divisors (17436667).

122056613 is an equidigital number, since it uses as much as digits as its factorization.

122056613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17436666.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 122056613 is about 11047.9234700463. The cubic root of 122056613 is about 496.0442709465.

The spelling of 122056613 in words is "one hundred twenty-two million, fifty-six thousand, six hundred thirteen".